Simplyfy the ratio 3 weeks | 12 days

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.